Initial commit

app/Observers/TransactionObserver.php

@@ -0,0 +1,33 @@
+<?php
+
+namespace App\Observers;
+
+use App\Models\Transaction;
+use App\Services\CallCreditService;
+
+class TransactionObserver
+{
+    /**
+     * After a transaction is created, check if the spending profile
+     * still has sufficient credits. If not, pause all their active calls.
+     */
+    public function created(Transaction $transaction): void
+    {
+        $fromAccount = $transaction->accountFrom;
+        if (!$fromAccount) {
+            return;
+        }
+
+        $accountable = $fromAccount->accountable;
+        if (!$accountable) {
+            return;
+        }
+
+        $profileType = get_class($accountable);
+        $profileId   = $accountable->id;
+
+        if (!CallCreditService::profileHasCredits($profileType, $profileId)) {
+            CallCreditService::pauseAllActiveCalls($profileType, $profileId);
+        }
+    }
+}